/Engine/Source/Runtime/Core/Public/Math/Quat.h
Constructs a quaternion corresponding to the rotation vector. The direction of the vector represents the rotation axis, and the magnitude the angle in radians.
static [TQuat](API\Runtime\Core\Math\TQuat)< T > MakeFromRotationVector ( const [TVector](API\Runtime\Core\Math\TVector)< T > & RotationVector )